gst_plugins_symbian/gst/amrmux/gstamrmux.c
branchRCL_3
changeset 30 7e817e7e631c
parent 29 567bb019e3e3
--- a/gst_plugins_symbian/gst/amrmux/gstamrmux.c	Tue Aug 31 15:30:33 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,321 +0,0 @@
-/*
- *  Copyright © 2010 Nokia Corporation.
- *  This material, including documentation and any related
- *  computer progrs, is protected by copyright controlled by
- *  Nokia Corporation. All rights are reserved. Copying,
- *  including reproducing, storing, adapting or translating, any
- *  or all of this material requires the prior written consent of
- *  Nokia Corporation. This material also contains confidential
- *  information which may not be disclosed to others without the
- *  prior written consent of Nokia Corporation.
- * ============================================================================
- */
-
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-
-#include "gstamrmux.h"
-
-#include <stdlib.h>
-#include <string.h>
-
-
-#ifdef __SYMBIAN32__
-#include <gst/gstinfo.h>
-#endif
-
-/* AMR nb header value */
-const char* amrnbmagicnumber = "#!AMR\n";
-
-static void gst_amrmux_base_init (gpointer g_class);
-static void gst_amrmux_class_init (GstAmrMuxClass * klass);
-static void gst_amrmux_init ( GstAmrMux * filter, GstAmrMuxClass *filter_klass);
-
-static GstFlowReturn gst_amrmux_chain (GstPad * pad, GstBuffer * buf);
-
-static void gst_amrmux_get_property (GObject * object, guint prop_id,
-    GValue * value, GParamSpec * pspec);
-
-static void gst_amrmux_set_property (GObject *object, guint prop_id,
-                                     const GValue *value, GParamSpec *pspec);
-                                     
-static GstStateChangeReturn gst_amrmux_change_state (GstElement * element,
-    GstStateChange transition);
-
-static void gst_amrmux_dispose(GObject * object);
-
-static GstElementClass *parent_class= NULL;
-
-static const GstElementDetails gst_amrmux_details =
-GST_ELEMENT_DETAILS ("AMR MUX Details",
-        "Codec/Muxer/Audio",
-        "Adaptive Multi-Rate Narrow-Band Muxer",
-        "");
-
-static GstStaticPadTemplate sink_factory =
-GST_STATIC_PAD_TEMPLATE (
-  "sink",
-  GST_PAD_SINK,
-  GST_PAD_ALWAYS,
-  GST_STATIC_CAPS ("audio/amr")
-);
-
-static GstStaticPadTemplate source_factory =
-GST_STATIC_PAD_TEMPLATE (
-  "src",
-  GST_PAD_SRC,
-  GST_PAD_ALWAYS,
-  GST_STATIC_CAPS ("audio/amr")
-);
-
-enum {
-  ARG_0,
-  ARG_HEADER
-};
-
-
-GType
-gst_amrmux_get_type (void)
-{
-  static GType gst_amrmux_type = 0;
-
-  if (!gst_amrmux_type) {
-    static const GTypeInfo amrmux_info = {
-      sizeof (GstAmrMuxClass),
-      gst_amrmux_base_init,
-      NULL,
-      (GClassInitFunc) gst_amrmux_class_init,
-      NULL,
-      NULL,
-      sizeof (GstAmrMux),
-      0,
-      (GInstanceInitFunc) gst_amrmux_init,
-    };
-
-    gst_amrmux_type =
-        g_type_register_static (GST_TYPE_ELEMENT, "GstAmrMux",
-        &amrmux_info, (GTypeFlags)0);
-  }
-  return gst_amrmux_type;
-}
-
-
-static void
-gst_amrmux_base_init (gpointer g_class)
-{
-  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-   
-  gst_element_class_add_pad_template(element_class,
-    gst_static_pad_template_get(&sink_factory)); 
-  
-  gst_element_class_add_pad_template(element_class,
-  gst_static_pad_template_get(&source_factory));
-          
-  gst_element_class_set_details (element_class, &gst_amrmux_details);
-}
-
-static void
-gst_amrmux_class_init ( GstAmrMuxClass * klass )
-{
-  GObjectClass *object_class;
-  GstElementClass *gstelement_class;
-
-  gstelement_class = (GstElementClass *) klass;
-  object_class = (GObjectClass *) klass;
-
-  
-  object_class->set_property = gst_amrmux_set_property;
-  object_class->get_property = gst_amrmux_get_property;
-  
-  gstelement_class->change_state = gst_amrmux_change_state;
-  
-  object_class->dispose = gst_amrmux_dispose;
-  
-  parent_class = g_type_class_peek_parent(klass);
-  
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HEADER,
-        g_param_spec_boolean ("header", "header",
-            "For writing AMR header", TRUE, (GParamFlags)G_PARAM_READWRITE));
-  
- 
- }
-
-static void gst_amrmux_dispose(GObject * object)
-{
-    G_OBJECT_CLASS (parent_class)->dispose (object);
-}
-
-static void
-gst_amrmux_init( GstAmrMux * amrmux, GstAmrMuxClass *amrmux_klass)
-{  
-   GstElementClass *klass = GST_ELEMENT_CLASS (amrmux_klass);
-   
-   //By default we have to write header   
-   amrmux->writeheader= TRUE;
-   
-   //Add Sink pad to this element
-      
-   amrmux->sinkpad = gst_pad_new_from_template (
-    gst_element_class_get_pad_template (klass, "sink"), "sink");  
-  
-  gst_element_add_pad (GST_ELEMENT (amrmux), amrmux->sinkpad);
-
-    
-  //Add Src pad to this element
-  amrmux->srcpad = gst_pad_new_from_template (
-    gst_element_class_get_pad_template (klass, "src"), "src");
-
-  gst_element_add_pad (GST_ELEMENT (amrmux), amrmux->srcpad);  
-    
-  gst_pad_set_chain_function (amrmux->sinkpad, gst_amrmux_chain);
-
-}
-
-
-static void
-gst_amrmux_get_property (GObject * object,
-    guint prop_id, GValue * value, GParamSpec * pspec)
-{
-    
-  GstAmrMux *amrmux = GST_AMRMUX( object );
-  
-  switch (prop_id) {
-      case ARG_HEADER:
-            g_value_set_boolean (value, amrmux->writeheader);
-            break;
-          
-          default:
-            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-            break;
-  }
-}
-
-
-static void
-gst_amrmux_set_property (GObject * object,
-    guint prop_id, const GValue * value, GParamSpec * pspec)
-{
-GstAmrMux *amrmux = GST_AMRMUX( object );
-  
-  switch (prop_id) {
-      case ARG_HEADER:
-          amrmux->writeheader = g_value_get_boolean (value);
-          break;
-        default:
-          G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-          break;
-  }
-}
-
-
-
-static GstFlowReturn
-gst_amrmux_chain (GstPad * pad, GstBuffer * buf)
-{    
-  
-  gint8 *codecdata;
-  guint8* amrdata;
-  guint8* amrheaderstart; 
-  
-  int codecdatasize = GST_BUFFER_SIZE(buf); 
-   
-  int magicnumberlength = strlen( amrnbmagicnumber );   
-  
-  GstAmrMux *amrmux = GST_AMRMUX (GST_PAD_PARENT (pad)); 
-
-  if ( amrmux->writeheader )
-   {
-     
-      buf = gst_buffer_make_writable( buf );  
-      
-      //Allocate a buffer which will hold codec data + magic number
-      
-      amrdata = ( guint8* )g_malloc( GST_BUFFER_SIZE(buf) + magicnumberlength );
-      
-      //To save the starting address of amr data
-      
-      amrheaderstart = amrdata;
-      
-      //Copy magic number to newly allocated buffer
-      
-      memcpy( amrdata, amrnbmagicnumber, magicnumberlength);
-      
-      codecdata = (gint8*)GST_BUFFER_DATA (buf);  
-      
-      //Move the pointer to the end of magic number
-           
-      amrdata += magicnumberlength;
-      
-      //Copy codec data to newly allocated buffer
-           
-      memcpy( amrdata , codecdata, codecdatasize );
-      
-      // free codec data from GstBuffer
-      
-      g_free(  buf->malloc_data );
-      
-      //Copying the newly allocated buffer and size in GstBuffer
-      
-      buf->data = amrheaderstart;
-      
-      buf->malloc_data = amrheaderstart;
-      
-      buf->size+= magicnumberlength; 
-      
-      //Do it only first time
-      
-      amrmux->writeheader = FALSE;  
-   }  
-  
-  return gst_pad_push( amrmux->srcpad , buf );
-  
-}
-
-static GstStateChangeReturn
-gst_amrmux_change_state (GstElement * element, GstStateChange transition)
-{
-  GstStateChangeReturn ret;
-  GstAmrMux *amrmux = GST_AMRMUX (element);
-  
-  ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-  
-  if (G_UNLIKELY (ret == GST_STATE_CHANGE_FAILURE))
-      return ret; 
-
-  switch (transition) {
-        case GST_STATE_CHANGE_READY_TO_NULL: 
-         {
-            amrmux->writeheader = TRUE; 
-            break;
-         }               
-      
-         default:
-            break;
-  }
-  
-  return ret;    
-}
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
- 
-  return gst_element_register (plugin, "amrmux", GST_RANK_PRIMARY,
-          GST_TYPE_AMRMUX);
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
-    GST_VERSION_MINOR,
-    "amrmux",
-    "Add header to amr-nb encoded stream",
-    plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
-
-
-EXPORT_C GstPluginDesc* _GST_PLUGIN_DESC()
-{
-	return &gst_plugin_desc;
-}
-